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AstDyS ∴ Objects ∴ Yiliuchen ∴ Summary
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(18887) Yiliuchen  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30358 6.285e-09 au
e 0.169053 2.729e-08
i 6.718 3.121e-06 deg
Ω 179.785 2.803e-05 deg
ω 163.523 2.997e-05 deg
M 89.323 1.147e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9142 au
Aphelion 2.693 au
Asc. node-Earth separation 1.67485 au
Desc. node-Earth separation 0.92265 au
Earth MOID 0.90764 au
Orbital period 1277.04 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 3034 (8)
Radar observations (Discarded) 0 (0)
Arc length 15486.8 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 80.7129 deg
Declination 17.8337 deg
V Magnitude 19.51 mag
Solar Elongation -45.45 deg
Galactic Latitude -10.35 deg
Rate 0.43 deg/day
Direction 83.802 deg

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